18196912

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26449}}^1$

素因数の和:26500

約数の個数: 20

約数和(自身を含む): 36077800

約数和(自身を除く): 17880888

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26449, 52898, 105796, 211592, 423184, 1137307, 2274614, 4549228, 9098456, 18196912]

約数ペア:

[(1, 18196912), (2, 9098456), (4, 4549228), (8, 2274614), (16, 1137307), (43, 423184), (86, 211592), (172, 105796), (344, 52898), (688, 26449)]